Local Calling Guide

Area code/prefix search

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NPA: 734 [Rate centres in NPA 734] [Dial plan for NPA 734]

NXX: 348

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
734-348 A Flat Rock MI SFLDMIDNDS6  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-348 0 Flat Rock MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-348 2 Flat Rock MI   624H ONVOY SPECTRUM, LLC 340   2021-12-02   
734-348 3 Flat Rock MI   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 340      
734-348 4 Flat Rock MI   490J DISH WIRELESS, LLC 340   2023-02-13   
734-348 5 Flat Rock MI   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 340   2005-02-18   
734-348 6 Flat Rock MI   829J PAETEC ITEL, LLC 340   2005-07-07   
734-348 7 Flat Rock MI   792K CHARTER IP ENABLED SERVICES, LLC 340   2007-02-25   
734-348 8 Flat Rock MI   543C ONVOY, LLCV - MI 340   2023-07-03   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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